== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 12:55:30 (1781283330)
old_iused=434
 - open/close 807 (time 1781283344.07 total 10.01 last 80.62)
total: 1000 open/close in 13.18 seconds: 75.85 ops/second
suppose current old_iused=1434
create_count=32, max_create_count=20000
 - unlinked 0 (time 1781283353 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
426 
waited 1 sec, old Iused 1434, new Iused 426